DDR2 Memory Modules

DDR2 increases the data transfer rate by a factor of 2 as compared to DDR. It has 240 pins on PCB (120 on each side)
Memory name
Latency (ns)
Read (MB/s)
Write (MB/s)
Price
441
50
3,531.6
855.0
NA
442
59
4,445.5
2,104.6
NA
443
66
2,720.9
1,317.6
NA
451
46
5,124.7
2,114.3
NA
452
56
2,543.9
1,812.0
NA
453
58
3,368.4
2,056.6
NA
454
108
1,282.9
2,227.4
NA
455
60
3,173.3
1,953.1
NA
456
82
2,752.7
1,604.0
NA
457
50
4,392.2
1,953.0
NA
458
55
4,543.1
2,191.7
NA
459
50
3,514.3
1,611.9
NA
460
52
3,559.5
1,536.4
NA